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ACCRUED WARRANTY COSTS | 12 Months Ended
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Dec. 31, 2018
ACCRUED WARRANTY COSTS |
ACCRUED WARRANTY COSTS | 14. ACCRUED WARRANTY COSTS The Company’s warranty activity is summarized below:
|  | Years Ended December 31,
|  | 2016 |  | 2017 |  | 2018
|  | $ |  | $ |  | $
Beginning balance |  | 65,193 |  | 61,139 |  | 55,659
Warranty provision |  | 9,817 |  | 19,793 |  | 13,188
Warranty costs incurred |  | (13,663) |  | (26,552) |  | (16,732)
Foreign exchange effect |  | (208) |  | 1,279 |  | (1,510)
Ending balance |  | 61,139 |  | 55,659 |  | 50,605

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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